Essentials of Genetics (9th Edition) - Standalone book
9th Edition
ISBN: 9780134047799
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Chapter CHST1, Problem 4DQ
If true, would the knowledge that plant miRNAs can affect gene expression in your body affect your food choices?
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Gene X codes for a protein in eukaryotes. A mutated eukaryotic cell contains an altered base-pair in an intron of gene X. Which would be the most likely effect of this mutation on the biomolecules in the cell?
The amount of pre-mRNA transcribed from gene X would be less than normal.
The amount of functional protein corresponding to gene X would be less than normal.
The ability of snRNAs to form a spliceosome would be diminished.
The breakdown of mature mRNA corresponding to gene X would be faster
Compare and contrast the formation of mRNA in bacterial and eukaryotic cells. How do the differences affect the way in which each type of mRNA is translated? Does one system have any obvious advantage in terms of energy cost? Which system offers greater opportunities for control of gene expression?
a)
b)
c)
d)
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breaking his whole upper limb. After healing, he decides to start taking
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him dying. How do steroids bind and signal and what could be a reason
he died?
Surface; transcription of wrong gene expression
Surface; Altering function of proteins for the worse
Intracellular; Altering function of proteins for the worse
Intracellular; transcription of wrong gene expression
Chapter CHST1 Solutions
Essentials of Genetics (9th Edition) - Standalone book
Ch. CHST1 - What are the major mechanisms of epigenetic genome...Ch. CHST1 -
2. What parts of the genome are reversibly...Ch. CHST1 - What are the roles of proteins in histone...Ch. CHST1 - Describe how reversible chemical changes to...Ch. CHST1 -
5. What is the histone code?
Ch. CHST1 - Prob. 6RQCh. CHST1 - Why are changes in nucleosome spacing important in...Ch. CHST1 -
8. How do microRNAs regulate epigenetic...Ch. CHST1 - What is the role of imprinting in human genetic...Ch. CHST1 - Imprinting disorders do not involve changes in DNA...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Describe and give an example of each of the following levels of gene expression control in eukaryotes: a) epigenetic control b) transcriptional control c) post-transcriptional control d) translational control e) post-translational controlarrow_forwardCompare and contrast the formation of mRNA in bacterial and eukaryotic cells. How do the differences affect the way in which each type of mRNA is translated? Does one system have obvious advantage in term of energy cost? Which system offers greater opportunities for control of gene expression?arrow_forwarda) Define the term gene expression b) State 4 difference between prokaryotes and eukaryotes gene expression c) state the importance of regulating gene expressionarrow_forward
- Describe two different types of pre-transcriptional control of gene expression? Give an example of each type.arrow_forwardBelow is a model of a signal transduction pathway that results in the transcribing of mRNA: Receptor protein Transcription factor Phosphorylation cascade DNA mRNA What is the best description of what would happen if the phosphorylation cascade resulted in a phosphate being attached to the transcription factor? O mRN would not stop being transcribed from the DNA. O The phosphorylation cascade would continue to release excess phosphates. O mRNA would stop being translated from the DNA. O Receptor proteins would not bind to the signaling hormone.arrow_forwardSelect all the examples of mutations that are likely to have a global effect on gene expression. Check All That Apply a mutation in a splice donor recognition sequence within an snRNA gene a mutation that reduces expression of an rRNA a hypomorphic mutation in the catalytic site of RNA polymerase a silent mutation in a gene encoding a protein in the small ribosomal subunit a nonsense mutation in a gene encoding an ion channelarrow_forward
- Create a Venn diagram to compare and contrast the process of gene expression in Bacteria versus eukaryotes. Remember that “gene expression” can include any part of transcription or translation. Try to be as thorough as you can about what aspects of this process are similar between the two taxa, and what characteristics are distinct to only Bacteria or eukaryotes. Plase include a minimum of 15 items in the Venn diagram.arrow_forwardProvide a detailed description of gene expression and control in prokaryotes. Provide a detailed description of proteins critical for this process. (please hand draw a figure showing gene expression and control in prokaryotes and the proteins involved)arrow_forwardBriefly list some of the ways in which siRNAs and miRNAs regulate genes.arrow_forward
- The diagram below shows the result of alternative splicing of a given precursor mRNA in two different plant tissues: leaf and seed. Consider a single base pair insertion mutation near the middle of the DNA sequence that gives rise to the RNA region labeled exon 4. GENE MAXXA Genomic DNA exon, Precursor mRNA exon Transcription Alternative Splicing 5 MAG exon 5 5 M Leaf Seed Which of the following descriptions of the consequence of this mutation is accurate? OA. The insertion will make the mature mRNA longer in seed. OB. The impact of this insertion depends on which protein this is OC The insertion will alter the reading frame in leaf but not in seed. OD. The insertion will disrupt splicing and result in defective proteins in leaf and seed.arrow_forwardThe most common type of regulation of gene expression occurs at the level of transcription. Name other types of gene regulation for gene expression in eukaryotic cells. Name types of gene regulation unique to eukaryotic cells versus prokaryotic cells.arrow_forwardAt which of the following level(s) can gene expression be regulated in eukaryotes? Pls help asap!arrow_forward
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